Donnelly Mechanical is New York City’s premier provider of innovative commercial HVAC service, maintenance and construction. With over 30 years’ experience and 200+ employees, we serve New York City’s most prominent commercial organizations across a variety of sectors including data centers, healthcare facilities, Class-A office spaces and commercial real estate management firms. 

In July of 2021, Donnelly Mechanical became part of the EQUANS global business line. 

As a leader in MEP and Facility Management in North America, EQUANS North America is made up of a group of companies that are leaders in mechanical and electrical construction, industrial and energy infrastructure, and building services across North America. The entities that make up EQUANS North America include a collaborative group of commercial infrastructure experts that support clients to optimize their energy use and efficiently run their facilities. With offices across the U.S. and Canada, our organization offers a rare combination of wide territorial reach and proven local expertise.

Commercial Real Estate

Construction

Data Center

Property Management

Donnelly Mechanical Corporation

Dino Mangione

Kaitlin Simensky

Daniel Marchione

Michael Nousios

Marty Cunningham

John Fallon

Tiziano Sartori

Demetri Zhsimatos

Caterina Asaro

The Service Team at Donnelly Mechanical Corporation is responsible for delivering expert HVAC maintenance, repair, and service solutions to clients in New York City. This team ensures the optimal performance and reliability of commercial HVAC systems for a variety of sectors, including data centers, healthcare facilities, and Class-A office spaces. They manage scheduling, coordination, and on-site service tasks to maintain high standards of service and client satisfaction.

Service Team

Leadership Team

Construction and Safety Team

Service Team

About

Team members

Other teams at Donnelly Mechanical Corporation

Leadership Team

Construction and Safety Team